EPJ Web of Conferences
Volume 2, 2010CNR*09 - Second International Workshop on Compound Nuclear Reactions and Related Topics
|Number of page(s)||4|
|Published online||09 March 2010|
Fission fragment formation and fission yields in the model of octupole neutron-proton oscillations
V.G.Khlopin Radium Institute, St.-Petersburg, Russia
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The fission fragment formation is considered as a result of neck instability in the process of octupole oscillations of neutrons and protons near the scission point. To describe such a phenomenon the potential surface of fissionning nucleus with neck radius about 1 fm was calculated with shell correction approach. The new version of smooth liquid drop part of deformation energy is proposed. The liquid drop part is formulated in a double folding model with n-n, p-p, and n-p Yukawa interaction potential. Fission fragment mass and charge distributions correspond approximately to isoscalar and isovector modes of vibrations and are defined by wave functions of oscillations. The preliminary calculation results have shown a rather good description of main integral fission yield observables.
© Owned by the authors, published by EDP Sciences, 2010
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